Delays were building on southbound I-95 because of the crash. At 7:25 a.m., Caldwell reported that average speeds were at 11 mph.

Crews were eventually able to clear the scene by 8 a.m., but traffic was still very heavy back to Mountain Road. Caldwell said it was also affecting drivers on the Beltway's Inner Loop from Dulaney Valley Road to I-95.

It's unclear so far what caused the collision. Police said no one was hurt.

Stay with WBALTV.com and 11 News for more details as they become available.